along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include <string.h>
-#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include "inferior.h"
#include "dis-asm.h"
#include <sys/stat.h>
#include "completer.h"
-#include "exceptions.h"
#include "observer.h"
#include "cli/cli-utils.h"
/* Local function declarations. */
extern void _initialize_core (void);
-static void call_extra_exec_file_hooks (char *filename);
/* You can have any number of hooks for `exec_file_command' command to
call. If there's only one hook, it is set in exec_file_display
only one hook could be set, and which called
deprecated_exec_file_display_hook directly. */
-typedef void (*hook_type) (char *);
+typedef void (*hook_type) (const char *);
hook_type deprecated_exec_file_display_hook; /* The original hook. */
static hook_type *exec_file_extra_hooks; /* Array of additional
functions. */
static void
-call_extra_exec_file_hooks (char *filename)
+call_extra_exec_file_hooks (const char *filename)
{
int i;
This is called from the x-window display code. */
void
-specify_exec_file_hook (void (*hook) (char *))
+specify_exec_file_hook (void (*hook) (const char *))
{
hook_type *new_array;
\f
char *
-memory_error_message (enum target_xfer_error err,
+memory_error_message (enum target_xfer_status err,
struct gdbarch *gdbarch, CORE_ADDR memaddr)
{
switch (err)
bounds. */
return xstrprintf (_("Cannot access memory at address %s"),
paddress (gdbarch, memaddr));
- case TARGET_XFER_E_UNAVAILABLE:
+ case TARGET_XFER_UNAVAILABLE:
return xstrprintf (_("Memory at address %s unavailable."),
paddress (gdbarch, memaddr));
default:
internal_error (__FILE__, __LINE__,
- "unhandled target_xfer_error: %s (%s)",
- target_xfer_error_to_string (err),
+ "unhandled target_xfer_status: %s (%s)",
+ target_xfer_status_to_string (err),
plongest (err));
}
}
/* Report a memory error by throwing a suitable exception. */
void
-memory_error (enum target_xfer_error err, CORE_ADDR memaddr)
+memory_error (enum target_xfer_status err, CORE_ADDR memaddr)
{
char *str;
+ enum errors exception = GDB_NO_ERROR;
/* Build error string. */
str = memory_error_message (err, target_gdbarch (), memaddr);
switch (err)
{
case TARGET_XFER_E_IO:
- err = MEMORY_ERROR;
+ exception = MEMORY_ERROR;
break;
- case TARGET_XFER_E_UNAVAILABLE:
- err = NOT_AVAILABLE_ERROR;
+ case TARGET_XFER_UNAVAILABLE:
+ exception = NOT_AVAILABLE_ERROR;
break;
}
/* Throw it. */
- throw_error (err, ("%s"), str);
+ throw_error (exception, ("%s"), str);
}
/* Same as target_read_memory, but report an error if can't read. */
void
read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len)
{
- LONGEST xfered = 0;
+ ULONGEST xfered = 0;
while (xfered < len)
{
- LONGEST xfer = target_xfer_partial (current_target.beneath,
- TARGET_OBJECT_MEMORY, NULL,
- myaddr + xfered, NULL,
- memaddr + xfered, len - xfered);
-
- if (xfer == 0)
- memory_error (TARGET_XFER_E_IO, memaddr + xfered);
- if (xfer < 0)
- memory_error (xfer, memaddr + xfered);
- xfered += xfer;
+ enum target_xfer_status status;
+ ULONGEST xfered_len;
+
+ status = target_xfer_partial (current_target.beneath,
+ TARGET_OBJECT_MEMORY, NULL,
+ myaddr + xfered, NULL,
+ memaddr + xfered, len - xfered,
+ &xfered_len);
+
+ if (status != TARGET_XFER_OK)
+ memory_error (status == TARGET_XFER_EOF ? TARGET_XFER_E_IO : status,
+ memaddr + xfered);
+
+ xfered += xfered_len;
QUIT;
}
}
memory_error (status, memaddr);
}
-/* Argument / return result struct for use with
- do_captured_read_memory_integer(). MEMADDR and LEN are filled in
- by gdb_read_memory_integer(). RESULT is the contents that were
- successfully read from MEMADDR of length LEN. */
-
-struct captured_read_memory_integer_arguments
-{
- CORE_ADDR memaddr;
- int len;
- enum bfd_endian byte_order;
- LONGEST result;
-};
-
-/* Helper function for gdb_read_memory_integer(). DATA must be a
- pointer to a captured_read_memory_integer_arguments struct.
- Return 1 if successful. Note that the catch_errors() interface
- will return 0 if an error occurred while reading memory. This
- choice of return code is so that we can distinguish between
- success and failure. */
-
-static int
-do_captured_read_memory_integer (void *data)
-{
- struct captured_read_memory_integer_arguments *args
- = (struct captured_read_memory_integer_arguments*) data;
- CORE_ADDR memaddr = args->memaddr;
- int len = args->len;
- enum bfd_endian byte_order = args->byte_order;
-
- args->result = read_memory_integer (memaddr, len, byte_order);
-
- return 1;
-}
-
/* Read memory at MEMADDR of length LEN and put the contents in
RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero
if successful. */
enum bfd_endian byte_order,
LONGEST *return_value)
{
- int status;
- struct captured_read_memory_integer_arguments args;
-
- args.memaddr = memaddr;
- args.len = len;
- args.byte_order = byte_order;
+ gdb_byte buf[sizeof (LONGEST)];
- status = catch_errors (do_captured_read_memory_integer, &args,
- "", RETURN_MASK_ALL);
- if (status)
- *return_value = args.result;
+ if (target_read_memory (memaddr, buf, len))
+ return 0;
- return status;
+ *return_value = extract_signed_integer (buf, len, byte_order);
+ return 1;
}
LONGEST
projects / deliverable / binutils-gdb.git / blobdiff